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San Martín Contratistas Generales was awarded a $120 million contract by Compañía de Minas Buenaventura to operate the Colquijirca – El Brocal open-pit mine, providing mineral extraction services for polymetallic ores.
“San Martín ha puesto a disposición perforadoras Atlas Copco DML de 7-7/8” de diámetro de perforación; volquetes Scania Heavy Tipper con capacidad de carga de 43 toneladas.”sanmartin.com
Summarized from public sources; check the original articles before acting on it.